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1.74ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG770643218

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770643218

Diamond specifications and retailer prices

From $441 NZD
$248 USD
As of November 1, 2026
Save $1,955 NZD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,395 NZD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.74ct lab-grown round diamond

This 1.74ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770643218 or 770643218. Listed at 20 retailers as of November 1, 2026, with prices from $441 to $2,395, a $1,955 spread on the same certified stone. Reve Diamonds lists it at $2,395. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.74
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770643218
Dimensions7.75 × 7.69 × 4.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.75 mm7.69 mm1.74 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770643218
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $492 NZD|Low: $437 NZD|High: $2,395 NZD|Avg: $1,188 NZD|-16.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
November 3, 2026
Retailer 5$441 NZD
Retailer 1$492 NZD
Retailer 12$512 NZD
Retailer 2$547 NZD
Retailer 15$547 NZD
Retailer 3$919 NZD
Retailer 10$946 NZD
Retailer 14$1,008 NZD
Retailer 8$1,028 NZD
Retailer 9$1,470 NZD
Retailer 13$1,484 NZD
Retailer 6$1,760 NZD
Retailer 7$1,813 NZD
Retailer 4$1,851 NZD
Retailer 11$2,194 NZD
Reve Diamonds$2,395 NZD

44 data points across 16 retailers

20 retailers$441 NZD to $2,395 NZD

Retailer 1
-
$437 NZD
$246 USD
Price last confirmed 41 days ago
A
Retailer 2
-
$441 NZD
$248 USD
View
A
Retailer 3
-
$492 NZD
$277 USD
View
Final sale: no returns
A
Retailer 4
-
$512 NZD
$288 USD
View
Retailer 5
-
$535 NZD
$301 USD
View
Price last confirmed 42 days ago
Retailer 6
-
$547 NZD
$308 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$547 NZD
$308 USD
View
B+
Retailer 8
-
$919 NZD
$517 USD
View
A
Retailer 9
-
$946 NZD
€507 EUR
View
B+
Retailer 10
-
$1,008 NZD
$567 USD
View
A
Retailer 11
-
$1,028 NZD
£455 GBP
View
B+
Retailer 12
-
$1,056 NZD
$594 USD
View
B+
Retailer 13
-
$1,470 NZD
$827 USD
View
Retailer 14
-
$1,484 NZD
$835 USD
View
Price last confirmed 12 days ago
Retailer 15
-
$1,744 NZD
$981 USD
View
Price last confirmed 43 days ago
B
Retailer 16
-
$1,760 NZD
$990 USD
View
B
Retailer 17
-
$1,813 NZD
$1,020 USD
View
B
Retailer 18
-
$1,851 NZD
$1,041 USD
View
B
Retailer 19
-
$2,194 NZD
£972 GBP
View
Most Expensive
B
Reve Diamonds
81CA816BC · Nov 1
$2,395 NZD
$1,348 USD
View
19 more retailers have this diamond
Prices start from $441 NZDSave up to $1,955 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.74ct Round
$441 NZD